INTERNATIONAL RECTIFIER CORP

CUSIP: 460254105 Class: COMMON STOCK

WATER ISLAND CAPITAL LLC's Holding History (CIK: 0001222765)

Note: Option positions (PUT/CALL) are excluded.

Q4 2014
Shares 2,352,168 Value ($000) $93,851,503 Avg Close — Range —
Q3 2014
Shares 1,210,797 Value ($000) $47,511,674 Avg Close — Range —